Case Study

Digital PR campaign helps to generate thousands of signatures on petition Logo Logo

40to60rh is a petition calling on the World Health Organization (WHO) to recommend humidity limits for buildings in order to reduce respiratory infections. The client came to seoplus+ to build the website for the petition, as well as to help spread the word and increase signatures.
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  • Increase awareness of optimal indoor humidity levels (40-60% relative humidity)
  • Increase awareness of these optimal levels to curb transmission of respiratory viruses, including COVID-19
  • Petition the WHO to make this a recommendation for all buildings


  • Met with client to understand their needs and objectives
  • Developed multilingual landing page
  • Conducted an extensive outreach campaign targeting health organizations & associations across North America
  • Connected with journalists covering the topic of respiratory infections & COVID-19
  • Leveraged relationships with respected researchers in the space


  • Links on A+ outlets like The TelegraphSTAT News, and Forbes.
  • Shared on YouTube to an audience of 3.2 million subscribers
  • 5,100 signatures in support of petition
  • 2,087 backlinks generated to the website
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seoplus+ Team

The award-winning seoplus+ expert team includes digital marketing specialists and business advisors with a combined experience of over 75 years. Since 2012, seoplus+ has provided demand generation and business growth services to companies ranking from SMBs to multinational enterprises. Our team's rich and diverse backgrounds range from SEO, PPC, social media, content creation, digital PR, UX design, web development, and ecommerce, to customer success, lead generation, and growth strategy. seoplus+ is also an SEMrush Agency Partner, Google Premier Partner, and Shopify Partner.

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"With this campaign, I was able to connect journalists with some esteemed researchers doing lifesaving work at the height of the pandemic. It was rewarding and definitely felt like I was helping to make a difference."

- Cara Corbett, Digital PR Specialist, seoplus+

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